export function getNowTimeStr(){
    var currentDate = new Date();
    var year = currentDate.getFullYear();
    var month = (currentDate.getMonth() + 1).toString().padStart(2, "0");
    var day = currentDate.getDate().toString().padStart(2, "0");
    var hours = currentDate.getHours().toString().padStart(2, "0");
    var minutes = currentDate.getMinutes().toString().padStart(2, "0");
    var seconds = currentDate.getSeconds().toString().padStart(2, "0");
    return (
      year + "-" + month + "-" + day + " " + hours + ":" + minutes + ":" + seconds
    );
}